S-8254AAOFT-TB-U

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S-8254AAOFT-TB-U is an advanced battery management IC from Renesas Electronics. This IC is designed to monitor and protect rechargeable Li-ion batteries from damage and extend the lifetime thereof. S-8254AAOFT-TB-U offers advanced features and exceptional performance suitable for a wide range of energy-related applications including Tablet PC, two-way radio, and optical communication devices.

S-8254AAOFT-TB-U is highly integrated and requires minimal external components, which lead to a compact and low cost solution. The IC has a built-in battery protection IC (BPIC) that provides protection against overcharging, overdischarging, and overcurrent conditions.

The battery management features of S-8254AAOFT-TB-U are optimized for Li-ion batteries. It supports battery voltage, temperature and current sensing. The sensing data is used for controlling battery charging and discharging, providing high accuracy charge condition monitoring, and performing fast and reliable communication with the host controller.

For battery charging, S-8254AAOFT-TB-U supports several charging profiles such as Constant Voltage (CV) charging and Constant Current (CC) charging, as well as safety features like charge termination, thermal protection, overvoltage protection and overcurrent protection. The IC also supports passive and active balancing of Li-ion cells, to reduce stress on battery cells and extend battery lifetime.

The S-8254AAOFT-TB-U contains dedicated anti-tampering logic that detects any physical or software tampering that could potentially pose a threat to the user. It provides an ultra-low-power monitoring of battery cell voltages and on-chip temperature sensing. The device also offers multiple communication options，including I²C, SPI and UART.

In conclusion, S-8254AAOFT-TB-U is a powerful and cost-effective battery management solution for Li-ion battery applications. It offers enhanced battery protection, battery monitoring and communication capabilities in order to extend the battery lifetime and improve system performance.

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